To improve performances we've implement a Tiki cache that stores data so that future requests for that data can be served faster. When your Tiki is not acting as expected, clearing the Tiki caches is the first thing to do.
To clear your Tiki caches, when logged in as an admin, there are many ways
php console.php cache:clear
You will get to the "System Administration" page where you can see the "Clear cached content" section where you can see the different Tiki caches and the "Save directories" where your Tiki files are stored and an option to export them a a zip file.
Click on the "Clear all caches" button to clear all Tiki caches.
Note: This is not the same thing as clearing browser cache and cookies.
Sometimes it is necessary also to clear your browser caches to completely "push" the Tiki cache cleaning into your Internet browser. Clearing those is related to your Operating System (Windows, MacOS, Linux, etc) and browser (Chrome, Firefox, Safari, Internat Explorer, Brave, etc.).
Search the internet to find the best way to do it.
A quick hard refresh browser can be performed on all browsers. Most of the modern Internat browser will do a hard refresh browser when you press the
ctrl key and reload icon a page for windows and Linux and the
shift key and reload icon for MacOs.